The video discusses the naming of SARS CoV-2 and COVID-19, the historical link between shingles and chickenpox, and the role of the Varicella Zoster virus. It explains how the virus causes both diseases and the impact of vaccination on reducing chickenpox and shingles cases. The video also explores the rise in shingles rates among younger people and the potential future availability of a shingles vaccine for younger age groups.

What new insight or understanding did you gain from this video?